Multitube falling film reactor for the continuous...

Details Multitube falling film reactor for the continuous... Multitube falling film reactor for the continuous...

B - Operations, Transporting

01

J

B01J 10/02 (2006.01) B01J 19/24 (2006.01) C07B 45/02 (2006.01) C07C 303/06 (2006.01) C07C 303/24 (2006.01)

Patent

CA 2216468

Multitube falling film reactor (MTR) for continuous manufacturing of sulfonated and/or sulfated products using gaseous, diluted sulfur trioxide, (SO3(dil)) to produce surface active agents or simply surfactants, useful in the cosmetic and detergent industry. Each individual nozzle-set comprises a male part (19) and the other half (45) on the male part (10). The male part (10) forms together with the female part (19), an annular slot (21) with a constant and under all operational conditions well defined length (47), which together with a fixed opening/width determines the individual pressure drop of the said slot and thereby the individual organic flow. With this arrangement, completely homogenous distribution of organic feed is achieved without the necessity of calibration.

L'invention porte sur un réacteur MTR (multitube à film tombant) de production en continu, à partir de trioxyde de soufre gazeux dilué (SO¿3(dil)?), de produits sulfonés ou sulfatés servant d'agents tensioactifs ou simplement de tensioactifs utiles dans les industries des cosmétiques et des détergents. Chacune des tuyères comporte une partie mâle (10) et une partie femelle (19) où se trouvent respectivement les deux moitiés (40, 45). La partie mâle (10) délimite avec la partie femelle (19) une fente annulaire (21) d'une longueur constante (47) et le restant dans toutes les conditions d'exploitation qui, associée à la largeur/ouverture fixe de la fente, détermine la chute de pression individuelle due à la fente et par là le débit du flux organique individuel. Cette disposition qui ne nécessite pas de calibrage permet une distribution parfaitement homogène du flux organique.

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